Home / 2,792.32-4,178.76-2,358.16

Finding the Fourth Proportional to 2,792.32, 4,178.76 and 2,358.16

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Solution

The fourth proportional to 2,792.32, 4,178.76 and 2,358.16 is: 3,529.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.32 : 4,178.76 = 2,358.16 : x
  2. Step 2: Convert to fraction form
    2,792.32/4,178.76 = 2,358.16/x
  3. Step 3: Cross multiply
    2,792.32x = 4,178.76 × 2,358.16
  4. Step 4: Simplify right side
    2,792.32x = 9,854,184.68
  5. Step 5: Solve for x
    x = 9,854,184.68/2,792.32
  6. Step 6: Final answer
    x = 3,529.03

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.